Misuse of the

equals sign by primary and junior secondary students, where "=" has taken on an operational meaning, has been the subject of much research and discussion over many decades (for example, Renwick, 1932).

Fostering relational thinking while negotiating the meaning of the

equals sign. Teaching Children Mathematics, 13, 111-117.

The ability to view the

equals sign as a sign of equivalence can be classified as a threshold concept of algebra.

WILLIAM JONES (1675-1749) AS well as plaguing school children everywhere with the

equals sign, it was also aWelsh mathematician who came up with the idea of using the Greek letter p to represent the ratio of a circumference of a circle to its diameter (3.14159 and so on...

Among those inventions that will be highlighted are Richard Trevithick's steam engine and the

equals sign, the brainchild of 16th-Century mathematician Robert Recorde from Tenby.

We suspect that the active use of the equal sign in the construction of their own true number sentences with four terms in session 2, fostered growth for many students as they tried to apply their conceptions of the

equals sign. This work allowed them to utilize their emergent understanding of the equal sign.

THE

equals sign (=) was invented by 16th Century Welsh mathematician Rober t Recorde, who was fed up writing "is equal to" in his equations.

In the charts comparing the versions of the biblical texts the

equals sign (=) stands for variants; surely any other sign would have better indicated variants than one that usually indicates equality.

Experience: Mathematical Contexts, Pedagogical Implications (Peter Liljedahl); (13) The Issues of Learning the

Equals Sign for Grade 1 Students (Laurent Theis); (14) Measuring the Impact of a Mentor Program (A.

Thinking of the

equals sign operationally is a common interpretation of many elementary school students (Kilpatrick, Swafford, and Findell 2001; NCTM 2000).

Place your cursor where you want to insert a cell and then press Ctrl and a plus sign (+) either on the numeric keypad or above the

equals sign (=).

Two or more numbers occupy the space to the left of the

equals sign, and only one number appears to the right.